#include <time.h>
#include <cstring>
#include <cstdlib>
#include <string>
#include <chrono>
#include <cppipe/commands.hpp>
// #include "vene.h"
#include "vene_env.h"

using namespace std;
using namespace std::chrono;
using namespace std::chrono_literals;

char* HOME;
char SCREEN_CAPS_DIR[64];

namespace
{
	time_point<system_clock> next_update;
	void schedule_update()
	{
		next_update = system_clock::now() + 100ms;
	}
}

extern "C"
{
	// from dwm
	typedef union {
		int i;
		unsigned int ui;
		float f;
		const void *v;
	} Arg;
	void updatestatus();
	// end

	void vene_setup()
	{
		// Init vars
		HOME = getenv("HOME");

		strcpy(SCREEN_CAPS_DIR, HOME);
		strcat(SCREEN_CAPS_DIR, "/screen_caps/");

		// Signal handlers
		// signal(SIGRTMIN, goto_tag);

		// strcpy(BOOKMARK_DIR, HOME);
		// strcat(BOOKMARK_DIR, "/notes/bookmarks/web");

		// sprintf(OPEN_BOOKMARK_CMD, "xdg-open $(dmenumap ~/notes/bookmarks/web/$(ls %s | dmenu "DMENU_OPTS") "DMENU_OPTS")", BOOKMARK_DIR);
		// strcpy(OPEN_BOOKMARK_CMD, "xdg-open $(dmenumap "DMENU_OPTS" ~/notes/bookmarks/web/$(ls ");
		// strcat(OPEN_BOOKMARK_CMD, BOOKMARK_DIR);
		// strcat(OPEN_BOOKMARK_CMD, " | dmenu "DMENU_OPTS);

	}

	void vene_updatestatus(char status[])
	{
		using std::string;
		static string new_stat;
		new_stat.clear();

		// Volume
		string amix_out = $(Cmd("amixer", "get", AUDIO_DEV));
		size_t bracket = amix_out.find('[');

		if(bracket != string::npos)
		{
			bool is_muted = amix_out.find("[on]") == string::npos;
			new_stat += is_muted ? "🔇" : "🔉";

			new_stat += amix_out[bracket+1];
			if(char second = amix_out[bracket+2]; second != '%')
				new_stat += second;
			if(char third = amix_out[bracket+3]; third != '%')
				new_stat += third;

			new_stat += '%';

		}
		new_stat += ' ';

		// Time
		time_t rawtime;
		struct tm * timeinfo;
		time ( &rawtime );
		timeinfo = localtime ( &rawtime );

		new_stat += (timeinfo->tm_hour/10) + '0';
		new_stat += (timeinfo->tm_hour%10) + '0';
		new_stat += ':';
		new_stat += (timeinfo->tm_min/10) + '0';
		new_stat += (timeinfo->tm_min%10) + '0';

		strcpy(status, new_stat.c_str());
	}

	void vene_run()			// update status bar every 5 sec
	{

		time_point<system_clock> now = system_clock::now();
		if(now > next_update)
		{
			next_update = now + 5s;
			updatestatus();
		}
	}

	void vene_webbookmark()
	{
		using std::string;
		Cmd dmenu( "dmenu", "-f", "-b", "-l", "30");

		string bookmark (HOME);
		bookmark += "/sync/bookmarks/web/";

		Cmd list_dirs ("ls");
		list_dirs += bookmark.c_str();

		// Choose bookmark directory
		bookmark += $(list_dirs | dmenu);
		bookmark.pop_back(); // remove trailing newline
		// Choose bookmark
		string link =$(dmenu < bookmark.c_str());

		size_t link_begin = link.find('-') + 1;
		if(link_begin != string::npos)
		{
			Cmd open_bookmark(BROWSER);
			link = link.substr(link_begin);
			open_bookmark += link.c_str();
			open_bookmark.detach();
		}
	}

	void vene_inc_vol(const Arg*)
	{
		Cmd inc_vol("amixer", "set", AUDIO_DEV, "3%+");
		inc_vol.detach();

		schedule_update();
	}

	void vene_dec_vol(const Arg*)
	{
		Cmd dec_vol("amixer", "set", AUDIO_DEV, "3%-");
		dec_vol.detach();

		schedule_update();
	}

	void vene_toggle_vol(const Arg*)
	{
		Cmd toggle_vol("amixer", "set", AUDIO_DEV, "toggle");
		toggle_vol.detach();

		schedule_update();
	}
}